Walsh, who gave birth to her first child Bobby in September 2014, she she knew "instinctively" she was pregnant the second time around.

Although she didn't have morning sickness, she said "telltale changes" in her body were obvious.

"When I took a home test early one morning to make sure, it confirmed what I’d already sensed," she added. "I was thrilled. The first thing I did was to wake up Justin and tell him: ‘You’re going to be a daddy again!’"